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    "@type": "Dataset",
    "about": {
      "@type": "ChemicalSubstance",
      "chemicalComposition": "LiNbO3",
      "name": "lithium niobate"
    },
    "citation": [
      "https://doi.org/10.1109/58.796136",
      "https://doi.org/10.1063/1.1497702",
      "https://doi.org/10.1007/978-3-540-70766-0",
      "https://doi.org/10.1007/BF00614817"
    ],
    "creator": {
      "@type": "Person",
      "name": "Wentao Jiang"
    },
    "description": "Density of lithium niobate (LiNbO3): 6 provenance-tagged value(s) from 5 source(s) for variant(s) cln, sln, unspecified. Each value carries conditions, uncertainty, the source locator and a status code (P primary, P-comp compilation, P-db database, S secondary, V vendor, C computed).",
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      "LiNbO3",
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    "license": "https://creativecommons.org/licenses/by/4.0/",
    "name": "LiNbO3 Density",
    "url": "https://lithium-niobate.com/api/v1/properties/density.json",
    "variableMeasured": [
      {
        "@type": "PropertyValue",
        "measurementTechnique": "Archimedes",
        "name": "rho (cln)",
        "unitCode": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "unitText": "kg/m3",
        "value": 4642.8
      },
      {
        "@type": "PropertyValue",
        "measurementTechnique": "see source",
        "name": "rho (sln)",
        "unitCode": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "unitText": "kg/m3",
        "value": 4635
      }
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    "api_version": "v1",
    "attribution": "lithium-niobate.com data compiled by Wentao Jiang; cite the original sources listed per value.",
    "count": 6,
    "data_version": "0.1.0",
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      "url": "https://creativecommons.org/licenses/by/4.0/"
    },
    "property": "density"
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  "records": [
    {
      "category": "structure",
      "id": "density/cln/cti1999",
      "kind": "scalar",
      "name": "Density",
      "property": "density",
      "provenance": {
        "source_id": "cti1999",
        "status": "V",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "rho",
      "unit": {
        "display": "kg/m^3",
        "qudt": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "ucum": "kg/m3"
      },
      "value": 4650,
      "variant": "cln"
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    {
      "category": "structure",
      "conditions": {
        "method": "Archimedes"
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      "default": true,
      "id": "density/cln/kushibiki1999",
      "kind": "scalar",
      "name": "Density",
      "property": "density",
      "provenance": {
        "locator": "Table IV",
        "source_id": "kushibiki1999",
        "status": "P",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "rho",
      "uncertainty": {
        "type": "stated",
        "value": 0.2
      },
      "unit": {
        "display": "kg/m^3",
        "qudt": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "ucum": "kg/m3"
      },
      "value": 4642.8,
      "variant": "cln",
      "variant_note": "SAW-grade congruent"
    },
    {
      "category": "structure",
      "id": "density/cln/volk2008",
      "kind": "scalar",
      "name": "Density",
      "notes": "Unit misprinted 'g cm^-1' in the source table.",
      "property": "density",
      "provenance": {
        "locator": "Table 1.1, p. 3",
        "original_reference": "Takanaga, Hirohashi, Kushibiki, Jpn. J. Appl. Phys. 38, 3201 (1999)",
        "source_id": "volk2008",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "rho",
      "unit": {
        "display": "kg/m^3",
        "qudt": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "ucum": "kg/m3"
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      "value": 4647,
      "variant": "cln"
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    {
      "category": "structure",
      "default": true,
      "id": "density/sln/volk2008",
      "kind": "scalar",
      "name": "Density",
      "notes": "SLN is lighter than CLN in the same compilation (4635 vs 4647 kg/m^3).",
      "property": "density",
      "provenance": {
        "locator": "Table 1.1, p. 3",
        "original_reference": "Takanaga, Hirohashi, Kushibiki, Jpn. J. Appl. Phys. 38, 3201 (1999)",
        "source_id": "volk2008",
        "status": "P-comp",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "rho",
      "unit": {
        "display": "kg/m^3",
        "qudt": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "ucum": "kg/m3"
      },
      "value": 4635,
      "variant": "sln",
      "variant_note": "near-stoichiometric"
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      "category": "structure",
      "conditions": {
        "temperature_C": 30
      },
      "id": "density/unspecified/ogi2002",
      "kind": "scalar",
      "name": "Density",
      "notes": "ogi2002 also quotes a handbook value of 4633 kg/m^3.",
      "property": "density",
      "provenance": {
        "source_id": "ogi2002",
        "status": "P",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "rho",
      "unit": {
        "display": "kg/m^3",
        "qudt": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "ucum": "kg/m3"
      },
      "value": 4636,
      "variant": "unspecified"
    },
    {
      "category": "structure",
      "id": "density/unspecified/weis1985",
      "kind": "scalar",
      "name": "Density",
      "notes": "Used in a cell-volume calculation without a measurement reference; weis1985 p. 201 uses 4.7e3 kg/m^3 in acousto-optic figures of merit.",
      "property": "density",
      "provenance": {
        "locator": "p. 194",
        "source_id": "weis1985",
        "status": "P",
        "transcribed": "2026-10-25"
      },
      "public": true,
      "symbol": "rho",
      "unit": {
        "display": "kg/m^3",
        "qudt": "http://qudt.org/vocab/unit/KiloGM-PER-M3",
        "ucum": "kg/m3"
      },
      "value": 4628,
      "variant": "unspecified"
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  ]
}